Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe
Resource
win10v2004-20240412-en
General
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Target
bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe
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Size
4.2MB
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MD5
4e5a9dbf1071bad4a09a7ae6eb19101b
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SHA1
f1e37abee4fc5f90884bea594216aee813b51232
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SHA256
bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577
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SHA512
78f64539575b989a1ca21c6ce9b010d997f8f53846f4c09f1a11d98c5053717704d961e5e0da28daf43890517a10b572c3c885229148487ae2a2dd909c4c2c1d
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SSDEEP
98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe4:Rw6rquKXDtU1Y2GYniVjUH1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3268-2-0x0000000003FA0000-0x000000000488B000-memory.dmp family_glupteba behavioral1/memory/3268-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1628-56-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral1/memory/3268-54-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1628-57-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1628-157-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-267-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-271-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-277-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-283-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4848-289-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4048 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4848 csrss.exe 4464 injector.exe 2208 windefender.exe 1600 windefender.exe -
resource yara_rule behavioral1/files/0x0013000000023417-261.dat upx behavioral1/memory/2208-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1600-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1600-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5092 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4408 3268 WerFault.exe 86 5108 1628 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2520 schtasks.exe 3636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3636 powershell.exe 3636 powershell.exe 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1276 powershell.exe 1276 powershell.exe 1276 powershell.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 2880 powershell.exe 2880 powershell.exe 2880 powershell.exe 3848 powershell.exe 3848 powershell.exe 3848 powershell.exe 804 powershell.exe 804 powershell.exe 804 powershell.exe 4200 powershell.exe 4200 powershell.exe 4200 powershell.exe 536 powershell.exe 536 powershell.exe 536 powershell.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4848 csrss.exe 4848 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4848 csrss.exe 4848 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4848 csrss.exe 4848 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Token: SeImpersonatePrivilege 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 536 powershell.exe Token: SeSystemEnvironmentPrivilege 4848 csrss.exe Token: SeSecurityPrivilege 5092 sc.exe Token: SeSecurityPrivilege 5092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3268 wrote to memory of 3636 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 90 PID 3268 wrote to memory of 3636 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 90 PID 3268 wrote to memory of 3636 3268 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 90 PID 1628 wrote to memory of 1276 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 99 PID 1628 wrote to memory of 1276 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 99 PID 1628 wrote to memory of 1276 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 99 PID 1628 wrote to memory of 3236 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 105 PID 1628 wrote to memory of 3236 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 105 PID 3236 wrote to memory of 4048 3236 cmd.exe 107 PID 3236 wrote to memory of 4048 3236 cmd.exe 107 PID 1628 wrote to memory of 2880 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 108 PID 1628 wrote to memory of 2880 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 108 PID 1628 wrote to memory of 2880 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 108 PID 1628 wrote to memory of 3848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 110 PID 1628 wrote to memory of 3848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 110 PID 1628 wrote to memory of 3848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 110 PID 1628 wrote to memory of 4848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 113 PID 1628 wrote to memory of 4848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 113 PID 1628 wrote to memory of 4848 1628 bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe 113 PID 4848 wrote to memory of 804 4848 csrss.exe 116 PID 4848 wrote to memory of 804 4848 csrss.exe 116 PID 4848 wrote to memory of 804 4848 csrss.exe 116 PID 4848 wrote to memory of 4200 4848 csrss.exe 123 PID 4848 wrote to memory of 4200 4848 csrss.exe 123 PID 4848 wrote to memory of 4200 4848 csrss.exe 123 PID 4848 wrote to memory of 536 4848 csrss.exe 125 PID 4848 wrote to memory of 536 4848 csrss.exe 125 PID 4848 wrote to memory of 536 4848 csrss.exe 125 PID 4848 wrote to memory of 4464 4848 csrss.exe 127 PID 4848 wrote to memory of 4464 4848 csrss.exe 127 PID 2208 wrote to memory of 2012 2208 windefender.exe 133 PID 2208 wrote to memory of 2012 2208 windefender.exe 133 PID 2208 wrote to memory of 2012 2208 windefender.exe 133 PID 2012 wrote to memory of 5092 2012 cmd.exe 134 PID 2012 wrote to memory of 5092 2012 cmd.exe 134 PID 2012 wrote to memory of 5092 2012 cmd.exe 134 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe"C:\Users\Admin\AppData\Local\Temp\bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636
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C:\Users\Admin\AppData\Local\Temp\bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe"C:\Users\Admin\AppData\Local\Temp\bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4048
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3848
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4324
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4200
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:536
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:5092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 8603⤵
- Program crash
PID:5108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 9082⤵
- Program crash
PID:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3268 -ip 32681⤵PID:548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1628 -ip 16281⤵PID:5112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1600
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5397b4b18ba5537e7a17814bc0b40097c
SHA1b674a4046dc6908aa8e4ae1e40503d0b923bf050
SHA256871c658fa6542c7efa7489233f67332348c7775c50a19ae707e2a08c830ec76b
SHA512d421bc847198db82fbf5106227a75896dd1f82dea23996acea0bd43476a04be20c425a490df7210970539c86b6a704e451752035a4442cdc097da9a2cb1124d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b74868eeb20a5947c59bc41d1f6ef66
SHA15143473fa46719477d072a7048636bfc646075cb
SHA2560d571ab47e34cb8d5aebfeb49ec7208aff29ddfde2440921787f349426ec9677
SHA512be25989c7c1eeca7c52ba7545790c691cf5f778212badee46bc45e92457a1849bf395ab41f6a4618b9f07a5331e703f9777e5b0211d209986240c5ee7bab3bd4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b46d5d437c1e0c114447fa6f6cb8d304
SHA18c54284bf10c50f054c000280ffcf489b283f031
SHA2562ac7ca8187ca65b36435f9be3952a0c974a48d199c245f8e7d88948ecc63d77a
SHA5125420292081b3a74e46b4fa892e75050ee833ef87332a2504d82e61623ec470023fb6520b748176c72e4f589f4fc04ba46ffd8fe6cb2196a4aace3600c45689ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e854c43b42f1f93aef59dbc28bb2d16c
SHA161edf7a9022547cdc6435f2bfb5b0c809e165326
SHA256d2ae088e9befb2b7a6773f5763b07ebd56f1697126d7217e911b1d255576fce2
SHA5121d5ba4c297f70328afa0fb62371bf08ae7d2f9bb632581fa4b5c06f6e0f5c46e23ab15a99aab72d1357f7e9f1da42a1b28271e398be57385ecae1c2ad235e58f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52505e766acc225d2c046ef9930a8e21d
SHA1615ec96ebbc7bc88d1acc076eeff41267711bb12
SHA256d2576dae20943b792ca9922859e8ca7ee9e90bafe15f3d45b2088346a4d21e76
SHA51224dc38ca1e733714f000f54d074ba38fd3d4453d90bf5cfcff5106383b6ca4346d24bc4b5fa9e137e9334208262b0e505ce4b2c17a37cc4d7dd6e640f964a1a4
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Filesize
4.2MB
MD54e5a9dbf1071bad4a09a7ae6eb19101b
SHA1f1e37abee4fc5f90884bea594216aee813b51232
SHA256bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577
SHA51278f64539575b989a1ca21c6ce9b010d997f8f53846f4c09f1a11d98c5053717704d961e5e0da28daf43890517a10b572c3c885229148487ae2a2dd909c4c2c1d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec